diff --git a/spec/code_block_spec.rb b/spec/code_block_spec.rb
new file mode 100644
index 0000000..a678fbc
--- /dev/null
+++ b/spec/code_block_spec.rb
@@ -0,0 +1,60 @@
+require 'spec_helper'
+require 'kramdown'
+
+content = File.join(File.dirname(__FILE__), '..','content', '**', '*.md')
+MD_FILES = Dir.glob(content)
+
+def extract_code(parent)
+  code_lines = []
+
+  parent.children.each do |child|
+    # Checks if child.value hasn't got any sibling or begin with '\n', because only code is needed
+    if child.type == :codespan \
+      && ((parent.children.size == 1) || (child.value.start_with? ?\n))
+        code_lines += child.value
+          .split(?\n)
+          .map(&:strip)
+          .inject([]) do |res, cu|
+            if !res.last.nil? && res.last.end_with?("\\")
+              res.last[0..-2].concat cu
+            else
+              res.push cu
+            end
+            res
+          end
+    end
+
+    code_lines += extract_code child
+  end
+  code_lines.reject(&:empty?)
+end
+
+MD_FILES.each do |file|
+  markdown_document = Kramdown::Document.new(File.read(file))
+  code_lines = extract_code(markdown_document.root)
+
+  results = code_lines.inject({}) do |r, code|
+    r[code] = system("bash", "-n", "-c", code, :err => File::NULL)
+    r
+  end
+
+  describe "Command in Markdown file '#{file.gsub(/[^_]+\/\.\.\/(content\/.*)/, '\\1')}'" do
+    results.each do |code, result|
+      it 'has a good syntax' do
+        expect(result).to be_truthy,"Something wrong with: '#{code}'"
+      end
+      next
+      it 'does not begin with #' do
+        skip
+      end
+
+      it 'starts with $' do
+        skip
+      end
+
+      it 'runs dnf with sudo' do
+        skip
+      end
+    end
+  end
+end